
Polarity test, open circuit and short circuit tests
Quiz
•
Physics
•
1st Grade
•
Practice Problem
•
Hard
monika t
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Polarity test in Physics?
A test to determine the color of light in a given circuit
A test to determine the direction of the electric field in a given circuit or component.
A test to measure the temperature of a circuit
A test to calculate the speed of sound in a circuit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we perform a Polarity test?
Using a microscope to determine the polarity
Counting the number of protons to determine the polarity
Using a magnet to determine the polarity
Measuring the temperature to determine the polarity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the Polarity test important in Physics?
To measure the temperature of an object
To calculate the speed of light
To determine the mass of an electron
To determine the direction of the electric field and the flow of current in a circuit.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the procedure for conducting an open circuit test?
Short-circuit the circuit and measure the current across the open terminals.
Connect the load to the circuit and measure the voltage across the open terminals.
Disconnect the load from the circuit and measure the voltage across the open terminals.
Increase the load on the circuit and measure the resistance across the open terminals.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we carry out an open circuit test?
Leave the circuit as it is and measure the resistance across the open terminals.
Connect the circuit and measure the voltage across the open terminals.
Disconnect the circuit and measure the voltage across the open terminals.
Short-circuit the circuit and measure the current across the open terminals.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of conducting an open circuit test?
To measure the resistance of the transformer
To calculate the efficiency of the transformer
To determine the voltage regulation of the transformer
To determine the core losses in a transformer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we perform a short circuit test?
Connect the two terminals of the circuit with a magnet.
Connect the two terminals of the circuit with a high resistance conductor.
Connect the two terminals of the circuit with a wire or a low resistance conductor.
Connect the two terminals of the circuit with a piece of paper.
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